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Opioid Peptides are short sequences of amino acids which mimic the effect of opiates in the brain. Opioid peptides may be produced by the body itself, for example endorphins, or be absorbed from partially digested food (casomorphins, exorphins and rubiscolins). The effect of these peptides vary, but they all resemble opiates. The opioid food peptides have lengths of typically 4-8 amino acids. The body's own opioids are generally much longer.
Opioid peptides produced by the body
Opioid food peptides
- Casomorphin (from milk)
- Gluten exorphin (from gluten)
- Gliadorphin/gluteomorphin (from gluten)
- Rubiscolin (from spinach)